gandcrab | 14337c9439733bec80a16ae7d32bf28265d91986a7c1c80ead79d4a26c8099a1

Analysis

max time kernel
11s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 19:23

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General

Target

202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
Size

308KB
MD5

6edb1ae133124b052a5d230933c9be89
SHA1

46b03d9ca430b171eff1faf9f2a68405fd7a79df
SHA256

14337c9439733bec80a16ae7d32bf28265d91986a7c1c80ead79d4a26c8099a1
SHA512

2786049e994d2cf716ed709cbc0b5de5132da43a8fff0b64e9e58cce8f7c44e8ff614b2cf80430246311d0465adf4dc4bb32b1442cee8f1a39144391ccf3b2f1
SSDEEP

3072:wmBr3balBclw29DXaPB2J9ot3nPIGX30caGhDgGCcc4Go0ER5IY0ms41:wmBrrDDX0tXT30vzHF4Go0+Fs41

Score

10^/10

gandcrab backdoor persistence ransomware

Malware Config

Signatures

GandCrab payload 4 IoCs

resource	yara_rule
behavioral1/memory/2928-4-0x0000000000230000-0x0000000000246000-memory.dmp	family_gandcrab
behavioral1/memory/2928-1-0x0000000000400000-0x0000000000E86000-memory.dmp	family_gandcrab
behavioral1/memory/2928-10-0x0000000000400000-0x0000000000E86000-memory.dmp	family_gandcrab
behavioral1/memory/2928-13-0x0000000000230000-0x0000000000246000-memory.dmp	family_gandcrab

Gandcrab
Gandcrab is a Trojan horse that encrypts files on a computer.
ransomware backdoor gandcrab

Unexpected DNS network traffic destination 64 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109
Destination IP	185.105.226.109

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\oejffyzdauj = "C:\\Users\\Admin\\AppData\\Local\\Temp\\202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe"	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\U:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\W:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\X:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\Z:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\A:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\K:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\S:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\T:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\V:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\H:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\L:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\R:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\O:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\E:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\I:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\M:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\N:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\P:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\Q:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\Y:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\B:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\G:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
File opened (read-only)	\??\J:	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2204	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	29
PID 2928 wrote to memory of 2204	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	29
PID 2928 wrote to memory of 2204	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	29
PID 2928 wrote to memory of 2204	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	29
PID 2928 wrote to memory of 2856	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	31
PID 2928 wrote to memory of 2856	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	31
PID 2928 wrote to memory of 2856	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	31
PID 2928 wrote to memory of 2856	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	31
PID 2928 wrote to memory of 2628	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	34
PID 2928 wrote to memory of 2628	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	34
PID 2928 wrote to memory of 2628	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	34
PID 2928 wrote to memory of 2628	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	34
PID 2928 wrote to memory of 2744	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	36
PID 2928 wrote to memory of 2744	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	36
PID 2928 wrote to memory of 2744	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	36
PID 2928 wrote to memory of 2744	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	36
PID 2928 wrote to memory of 2996	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	38
PID 2928 wrote to memory of 2996	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	38
PID 2928 wrote to memory of 2996	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	38
PID 2928 wrote to memory of 2996	2928	202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe	38

C:\Users\Admin\AppData\Local\Temp\202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe
"C:\Users\Admin\AppData\Local\Temp\202401066edb1ae133124b052a5d230933c9be89karaganymafiamagniber.exe"
1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:2204
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:2856
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:2628
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:2744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:2996
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:2440
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:2684
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:2072
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:2844
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:2940
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:2428
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:1828
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:2616
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:1132
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:2728
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:1704
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:1744
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:488
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:1648
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:2320
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:332
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:2888
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:1932
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:1168
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:2140
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:1064
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:2104
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:1780
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:1716
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:2180
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns1.virmach.ru
  2⤵
  PID:1612
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns1.virmach.ru
  2⤵
  PID:1076
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns2.virmach.ru
  2⤵
  PID:2240
- C:\Windows\SysWOW64\nslookup.exe
  nslookup politiaromana.bit ns2.virmach.ru
  2⤵
  PID:2596
- C:\Windows\SysWOW64\nslookup.exe
  nslookup malwarehunterteam.bit ns2.virmach.ru
  2⤵
  PID:2556
- C:\Windows\SysWOW64\nslookup.exe
  nslookup gdcb.bit ns1.virmach.ru
  2⤵
  PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2928-0-0x0000000000F40000-0x0000000001040000-memory.dmp

Filesize
1024KB

Download
memory/2928-2-0x0000000000F40000-0x0000000001040000-memory.dmp

Filesize
1024KB

Download
memory/2928-4-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2928-1-0x0000000000400000-0x0000000000E86000-memory.dmp

Filesize
10.5MB

Download
memory/2928-10-0x0000000000400000-0x0000000000E86000-memory.dmp

Filesize
10.5MB

Download
memory/2928-13-0x0000000000230000-0x0000000000246000-memory.dmp

Filesize
88KB

Download
memory/2928-12-0x0000000000F40000-0x0000000001040000-memory.dmp

Filesize
1024KB

Download